Element X decays radioactively with a half life of 13 minutes. If there are 970 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to decay to 98 grams?

What is the perimeter of square abcd? units units 28 units 37 units

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655